+ // Begin encrypted connection
+ if (!stream_socket_enable_crypto(
+ $this->smtp_conn,
+ true,
+ STREAM_CRYPTO_METHOD_TLS_CLIENT
+ )
+ ) {
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Perform SMTP authentication.
+ * Must be run after hello().
+ * @see hello()
+ * @param string $username The user name
+ * @param string $password The password
+ * @param string $authtype The auth type (PLAIN, LOGIN, NTLM, CRAM-MD5)
+ * @param string $realm The auth realm for NTLM
+ * @param string $workstation The auth workstation for NTLM
+ * @access public
+ * @return bool True if successfully authenticated.
+ */
+ public function authenticate(
+ $username,
+ $password,
+ $authtype = 'LOGIN',
+ $realm = '',
+ $workstation = ''
+ ) {
+ if (empty($authtype)) {
+ $authtype = 'LOGIN';
+ }
+
+ switch ($authtype) {
+ case 'PLAIN':
+ // Start authentication
+ if (!$this->sendCommand('AUTH', 'AUTH PLAIN', 334)) {
+ return false;
+ }
+ // Send encoded username and password
+ if (!$this->sendCommand(
+ 'User & Password',
+ base64_encode("\0" . $username . "\0" . $password),
+ 235
+ )
+ ) {
+ return false;
+ }
+ break;
+ case 'LOGIN':
+ // Start authentication
+ if (!$this->sendCommand('AUTH', 'AUTH LOGIN', 334)) {
+ return false;
+ }
+ if (!$this->sendCommand("Username", base64_encode($username), 334)) {
+ return false;
+ }
+ if (!$this->sendCommand("Password", base64_encode($password), 235)) {
+ return false;
+ }
+ break;
+ case 'NTLM':
+ /*
+ * ntlm_sasl_client.php
+ * Bundled with Permission
+ *
+ * How to telnet in windows:
+ * http://technet.microsoft.com/en-us/library/aa995718%28EXCHG.65%29.aspx
+ * PROTOCOL Docs http://curl.haxx.se/rfc/ntlm.html#ntlmSmtpAuthentication
+ */
+ require_once 'extras/ntlm_sasl_client.php';
+ $temp = new stdClass();
+ $ntlm_client = new ntlm_sasl_client_class;
+ //Check that functions are available
+ if (!$ntlm_client->Initialize($temp)) {
+ $this->error = array('error' => $temp->error);
+ if ($this->do_debug >= 1) {
+ $this->edebug(
+ 'You need to enable some modules in your php.ini file: '
+ . $this->error['error']
+ );
+ }
+ return false;
+ }
+ //msg1
+ $msg1 = $ntlm_client->TypeMsg1($realm, $workstation); //msg1
+
+ if (!$this->sendCommand(
+ 'AUTH NTLM',
+ 'AUTH NTLM ' . base64_encode($msg1),
+ 334
+ )
+ ) {
+ return false;
+ }